TY  - BOOK
AU  - Kaufman, Donald G.
AU  - Franz, Cecilia M.
TI  - Biosphere 2000: Protecting our global environment 
SN  - 9780060435769
U1  - 550 
PY  - 1993///
CY  - New York
PB  - Harper collins
KW  - Human ecology
KW  - Conservation of natural resources
KW  - Environmental protection
N1  - Includes bibliographical references and index
ER  -